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ASME SA 387 GRADE 22 Class 2
ASME SA 387 GRADE 22 Class 2

ASME SA 387 GRADE 22 Class 2 steel

ASME SA 387 GRADE 22 Class 2,ASME SA387 Grade 22 Alloy Steel Plates
We supply plates to global fabricators serving the oil, gas and petrochemical industry. 
Product introduction
ASME SA 387 GRADE 22 Class 2,ASME SA387 Grade 22 Alloy Steel Plates
We supply plates to global fabricators serving the oil, gas and petrochemical industry. 
These industries require a pressure vessel grade steel which works well in elevated temperatures and our material serves this purpose well. And with good corrosion and oxidation resistance, SA387 Grade 22 Class 2 plates are a good option for sour gas environments too. 
Technical Data
Equivalents for ASME SA387 Grade 22 Alloy Steel Plates
BS EN ASTM/ASME DIN
622-515B 10 CRMO910 SA387-22-2 10 CRMO910

Specifications for ASME SA387 Grade 22 Alloy Steel Plates
Chromium & Molybdenum content (according to the ASME specification)
Designation Nominal Chromium
Content (%)
Nominal Molybdenum
Content (%)
SA387 Grade 22 2.25% 1.00%

Tensile Requirements for ASME SA387 Grade 22 Alloy Steel Plates Class 2 Plates
Designation: Requirement: Grade 22
SA387 Grade 22 Tensile strength, ksi [MPA] 75 to 100 [515 to 690]
  Yield strength, min, ksi [MPa]/(0.2% offset) 45 [310]
  Elongation in 8 in. [200mm], min % ...
  Elongation in 2 in. [50mm], min, % 18
  Reduction of area, min % 45 (measured on round specimen)
40 (measured on flat specimen)

Chemical Requirements for ASME SA387 Grade 22 Alloy Steel Plates
Element   Chemical Composition (%)
    SA387 Grade 22
Carbon: Heat Analysis: 0.05 - 0.15
  Product Analysis: 0.04 - 0.15
Manganese: Heat Analysis: 0.30 - 0.60
  Product Analysis: 0.25 - 0.66
Phosphorus: Heat Analysis: 0.035
  Product Analysis: 0.035
Sulphur (max): Heat Analysis: 0.035
  Product Analysis: 0.035
Silicon: Heat Analysis: 0.50 max
  Product Analysis: 0.50 max
Chromium: Heat Analysis: 2.00 - 2.50
  Product Analysis: 1.88 - 2.62
Molybdenum: Heat Analysis: 0.90 - 1.10
  Product Analysis: 0.85 - 1.15
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